Regular daytime naps could be good for brain health, new research suggests. Daytime napping could slow the rate at which brains shrink as we age, the study led by researchers at UCL and the University of the Republic in Uruguay found. The researchers hope their findings into the health benefits of sleeping during the day will reduce any stigma that still exists around daytime napping. The study suggests the average difference in brain volume between people programmed to be habitual nappers and those who were not was equivalent to 2.6 to 6.5 years of ageing. Our findings suggest that, for some people, short daytime naps may be a part of the puzzle that could help preserve the health of the brain as we get older Dr Victoria Garfield, UCL Senior author Dr Victoria Garfield, MRC Unit for Lifelong Health & Ageing at UCL, said: “Our findings suggest that, for some people, short daytime naps may be a part of the puzzle that could help preserve the health of the brain as we get older.” The study, published in the journal Sleep Health, analysed data from people aged 40 to 69. Past research has suggested people who have had a short nap perform better in cognitive tests in the hours afterwards than those who did not nap. The new study looked at whether there was a causal relationship between daytime napping and brain health. Researchers looked at 97 snippets of DNA thought to determine people’s likelihood of habitual napping. They compared measures of brain health and cognition of people who are more genetically programmed to nap with people who did not have these changes in DNA, using data from 378,932 people from the UK Biobank study. They found that, overall, people predetermined to nap had a larger total brain volume. The genetic variants – DNA changes – influencing the likelihood of someone to nap were identified in an earlier study looking at data from 452,633 UK Biobank participants. But the researchers did not find a difference in how well those programmed to be habitual nappers performed on three other measures of brain health and cognitive function. Lead author and PhD candidate Valentina Paz, University of the Republic (Uruguay) and MRC Unit for Lifelong Health and Ageing at UCL, said: “This is the first study to attempt to untangle the causal relationship between habitual daytime napping and cognitive and structural brain outcomes. “By looking at genes set at birth, Mendelian randomisation avoids confounding factors occurring throughout life that may influence associations between napping and health outcomes. “Our study points to a causal link between habitual napping and larger total brain volume.” Dr Garfield added: “I hope studies such as this one showing the health benefits of short naps can help to reduce any stigma that still exists around daytime napping.” Read More Dramatic rise in the number of women freezing their eggs Paramedics who found ‘poisoned’ couple dead in Mexico hotel room also fell ill Bruce Willis’ family honours him with first Father’s Day tributes since announcing his dementia diagnosis Richard Ford on Frank Bascombe, getting older and literary feuds: ‘At my age I can’t get into fistfights’ Families’ ‘disappointment’ as Croydon tram disaster driver cleared

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Formula One bosses were dealt a hugely embarrassing blow after first practice for the Las Vegas Grand Prix was cancelled. The running under the lights of the Las Vegas strip was suspended when Carlos Sainz broke down in his Ferrari with just eight minutes on the clock. And then 11 minutes later, at 8:49pm local time, it was announced the session would not be resumed – it emerged Sainz’s failure was caused by a loose manhole cover. Television replays showed Sainz being jolted in his cockpit as the cover struck the underneath of his machine as he approached 200mph on the Las Vegas Boulevard. Esteban Ocon also smashed into the debris – against the backdrop of Caesars Palace, Bellagio and Venetian hotels – causing significant damage to his Alpine. Ferrari described the damage to Sainz’s car as “extensive”, while Alpine said Ocon will require a new chassis. Ferrari team principal Frederic Masseur said: “He (Sainz) said I hit something on track, and he didn’t know what it was. It is just unacceptable for F1.” An FIA spokesperson said: “Following an inspection, a concrete frame around a manhole cover has failed. “We now need to check all of the other manhole covers which will take some time. “We will be discussing with the local circuit engineering team about the length of time it will take to resolve and we will update with any resultant changes to the schedule.” Second practice is due to begin at midnight local time (8:00 GMT). But there are significant doubts if there will be any running today at the 3.8-mile temporary street venue. Speaking on Sky Sports, the highly-respected TV pundit and former driver Martin Brundle, said: “That’s it for today from my experience. “Fixing that and checking everything else, letting it dry and making sure it won’t come out again is going to be a big job. “Theoretically, they are going to re-open the Strip (for public use) after the F1 practice sessions. That is a very, very big issue if there are other areas like that around the track.” The problems of loose manhole covers at street venues is not a new one in the sport. Jenson Button struck a dislodged drain in practice in Monaco in 2016, while George Russell also ran over a drain cover in Azerbaijan four years ago. Red Bull team principal Christian Horner said on Sky: “It’s a shame that we are not allowed on track. “They are going to have to check all the manhole covers and weld them or do something because you can see the damage that it has done. “It’s a great shame for the fans but safety comes first. We have got to get this right and hopefully it won’t take too long.” The cancellation of opening practice comes 24 hours after triple world champion criticised the staging of the Las Vegas Grand Prix – the first here in four decades and maiden event on the strip – as “99 per cent show, and one per cent sport”. Read More Toto Wolff fuelled by ‘personal anger’ to help Lewis Hamilton win eighth title On this day in 2010: Sebastian Vettel becomes youngest ever F1 world champion Lewis Hamilton ‘counting down days’ to end of season after another poor race Max Verstappen thwarts Lando Norris’ bid for first F1 win with sprint victory On this day in 2015: Susie Wolff ends her bid to get on an F1 starting grid Lando Norris ‘gutted’ to miss out on Brazilian GP pole after McLaren blunder

LAS VEGAS--(BUSINESS WIRE)--Oct 4, 2023--

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